Search a number
-
+
53256339 = 3323191449
BaseRepresentation
bin1100101100101…
…0000010010011
310201012200222000
43023022002103
5102113200324
65141245043
71214446203
oct313120223
9121180860
1053256339
1128075304
1215a03783
13b058636
147104403
154a1e9c9
hex32ca093

53256339 has 32 divisors (see below), whose sum is σ = 82944000. Its totient is φ = 33707520.

The previous prime is 53256323. The next prime is 53256433. The reversal of 53256339 is 93365235.

It is not a de Polignac number, because 53256339 - 24 = 53256323 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53256739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118387 + ... + 118835.

It is an arithmetic number, because the mean of its divisors is an integer number (2592000).

Almost surely, 253256339 is an apocalyptic number.

53256339 is a deficient number, since it is larger than the sum of its proper divisors (29687661).

53256339 is a wasteful number, since it uses less digits than its factorization.

53256339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 666 counting only the distinct ones).

The product of its digits is 72900, while the sum is 36.

The square root of 53256339 is about 7297.6940878609. The cubic root of 53256339 is about 376.2331882129.

It can be divided in two parts, 5325 and 6339, that added together give a square (11664 = 1082).

The spelling of 53256339 in words is "fifty-three million, two hundred fifty-six thousand, three hundred thirty-nine".

Divisors: 1 3 9 23 27 69 191 207 449 573 621 1347 1719 4041 4393 5157 10327 12123 13179 30981 39537 85759 92943 118611 257277 278829 771831 1972457 2315493 5917371 17752113 53256339